#8B731B#8B731B

#8B731B is a mid, moderate yellow. Relative luminance 0.178; OKLCH L 56.3% C 0.106 H 92.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#8B731B
RGB	rgb(139, 115, 27)
HSL	hsl(47, 67%, 33%)
HSV	hsv(47, 81%, 55%)
CMYK	cmyk(0%, 17.3%, 80.6%, 45.5%)
CIE-LAB	lab(49.29, 0.16, 48.47)
CIE-LCH	lch(49.29, 48.47, 89.81°)
OKLab	oklab(56.3% -0.0049 0.1054)
OKLCH	oklch(56.3% 0.106 92.7)
XYZ	xyz(16.9770, 17.8306, 3.5842)
Luminance	0.1783 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8B731B #1B338B

analogous

#8B3B1B #8B731B #6B8B1B

triadic

#8B731B #1B8B73 #731B8B

tetradic

#8B731B #1B8B3B #1B338B #8B1B6B

square

#8B731B #1B8B3B #1B338B #8B1B6B

split-complementary

#8B731B #1B6B8B #3B1B8B

monochromatic

#251E07 #584911 #8B731B #BE9D25 #DBBB45

Accessibility & contrast

On white

4.60

#8B731B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#8B731B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #8B731B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8B731B	#FFFFFF	#000000	##FFFFFF
##8B731B	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807108

Deuteranopia (green-blind)

#867821

Tritanopia (blue-blind)

#976962

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #8b731b;
/* rgb */ color: rgb(139, 115, 27);
/* oklch */ color: oklch(56.3% 0.106 92.7);

Tailwind

colors: {
  custom: {
    50: '#b19a5f',
    500: '#8b731b',
    950: '#000000',
  },
}

SCSS

$custom: #8b731b;
$custom-light: #b19a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#8b731b",
  "rgb": {
    "r": 139,
    "g": 115,
    "b": 27
  },
  "hsl": {
    "h": 47.143,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56297,
    "c": 0.10554,
    "h": 92.7
  },
  "luminance": 0.1783
}

Semantic roles & 50–950 ramp

primary

#8B731B

secondary

#455FBC

accent

#62EA3D

background

#FBF9F5

surface

#F6F2EA

border

#D0CCC6

text

#110E05

muted

#807E79

Preview Lab

Preview with #8B731B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →